patch 7.4.778

Problem:    Coverity warns for uninitialized variable.
Solution:   Change condition of assignment.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    778,
 /**/
     777,
 /**/